A horizon
A层（腐殖堆积层, 等于淋溶层）
🧩 词语组成解析
horizon
[hə'raɪzn]
n. 地平线;范围;界限;眼界;
🗣️ 情景例句
When you understand the cultural background, you can better use the language.
当你了解了文化背景，你就能更好地运用语言。
Do you have a book?
你有一本书吗？
So he took off the second shoe and put it under his bed very quietly.
他脱下第二只鞋子，轻轻地放在床下边。